US11223174B2 - Electrical connection device - Google Patents

Electrical connection device Download PDF

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Publication number
US11223174B2
US11223174B2 US16/468,359 US201716468359A US11223174B2 US 11223174 B2 US11223174 B2 US 11223174B2 US 201716468359 A US201716468359 A US 201716468359A US 11223174 B2 US11223174 B2 US 11223174B2
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US
United States
Prior art keywords
conductive plug
conductive
spring
electrical connection
connection device
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Active, expires
Application number
US16/468,359
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English (en)
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US20200259302A1 (en
Inventor
Jianping Zhang
Chunhua Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dianba New Energy Technology Co Ltd
Original Assignee
Shanghai Dianba New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Assigned to SHANGHAI DIANBA NEW ENERGY TECHNOLOGY CO., LTD. reassignment SHANGHAI DIANBA NEW ENERGY TECHNOLOGY CO., LTD. COMBINED DECLARATION AND ASSIGNMENT Assignors: HUANG, CHUNHUA, ZHANG, JIANPING
Publication of US20200259302A1 publication Critical patent/US20200259302A1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/02—Flexible line connectors without frictional contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/64—Devices for uninterrupted current collection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/60—Connections between or with tubular conductors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/33—Contact members made of resilient wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/06—Extensible conductors or cables, e.g. self-coiling cords
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present disclosure relates to an electrical connector for an electric vehicle, and more particularly to a flexible electrical connection device.
  • connection methods are mostly rigid connections with poor buffering performance and high probability of failure, resulting in a fault of the electric vehicle.
  • an electrical connection device for electrical connection between different conductors including:
  • a connector having a hollow connecting cavity formed by a plurality of flexible conductive materials, and each of two opposite sides of the connecting cavity being connected to a conductive plug electrically coupled with the connecting cavity.
  • the connecting cavity is a spherical-like elastic connecting cavity surrounded by the plurality of flexible conductive materials.
  • the connecting cavity is a spherical-like elastic connecting cavity surrounded by a grid-like flexible conductive material.
  • the connecting cavity is interwoven from metal wires or formed by stretching a metal conductive tape.
  • the connecting cavity is electrically connected to the conductive plug by crimping or welding.
  • one end of the conductive plug extends into the connecting cavity, and a spring is disposed between ends of two conductive plugs extending into the connecting cavity.
  • the spring is a compression spring.
  • the conductive plug is a columnar conductive plug or a cylindrical conductive plug, an outer surface of the columnar conductive plug defines one or more spring annular grooves provided with a separable annular conductive springs therein, an inner surface of the cylindrical conductive plug defines one or more spring annular grooves provided with a separable annular conductive spring therein.
  • an outer wall of the columnar conductive plug or an inner wall of the cylindrical conductive plug further defines one or more sealing annular grooves located between the one or more spring annular grooves and the connecting cavity, and the one or more sealing annular grooves are provided with a separable sealing ring therein.
  • the electrical connection device further comprises a pair of connecting bases located at two sides of the connector, and each of the pair of connecting bases comprises a base body provided with a base cavity or a protruding column, the base cavity has a space for receiving the columnar conductive plug and is in contact with the conductive spring at an outer surface of the conductive plug, and the protruding column is inserted into the cylindrical conductive plug and is in contact with the conductive spring at an inner wall of the cylindrical conductive plug.
  • the grid-like connecting cavity of the present disclosure is made of a flexible conductive material.
  • the connecting cavity can be elongated or compressed and radially twisted in use, and can be adaptive to changes in relative displacement at various angles in the axial direction or radial directions between different electrical connecting bases, thereby preventing degradation of performance of electrical connection due to the changes in relative displacement.
  • the conductive plug of the present disclosure is provided with an annular conductive spring, which further enhances the electrical connection effect between the connector and the connecting base and improves conductivity.
  • the electrical connection device of the present disclosure may be applied to electrical connection between two sockets under severe shaking conditions.
  • FIG. 1 is a perspective view of an electrical connection device according to an embodiment of the present disclosure
  • FIG. 2 is an exploded perspective view of the electrical connection device in FIG. 1 ;
  • FIG. 3 is a further exploded perspective view of the electrical connection device in FIG. 2 ;
  • FIG. 4 is a detailed enlarged view of portion A in FIG. 3 ;
  • FIG. 5 is a schematic view of a connecting base of the electrical connection device in FIG. 2 ;
  • FIG. 6 is a sectional view of the connecting base taken along line B-B in FIG. 5 ;
  • FIG. 7 is a schematic view (also sectional view) showing connection of the electrical connection device in FIG. 1 ;
  • FIG. 8 is a perspective view of an electrical connection device according to another embodiment of the present disclosure.
  • the electrical connecting device 1 in an embodiment of the present disclosure includes a connector 2 and a pair of connecting bases 4 .
  • the connector 2 has a hollow connecting cavity 21 which is provided a spring 23 therein, and preferably, the spring 23 is a drum-shaped compression spring.
  • a protruding columnar conductive plug 22 is disposed on each of opposite sides of the connecting cavity 21 .
  • One end 223 of the protruding columnar conductive plug 22 extends into the connecting cavity 21 , and two ends of the spring 23 are respectively connected to ends 223 of the two conductive plugs 22 which extend into the connecting cavity 21 .
  • the connecting cavity 21 is a grid-like structure woven from copper wires, and the conductive plug 22 are connected to the connecting cavity 21 by crimping or welding.
  • the copper wires may be replaced by other conductive wires and conductive tapes.
  • the connecting cavity 21 may also be formed by stretching a metal conductive tape.
  • the conductive plug 22 is a conductive metal column, such as a copper protruding column.
  • An outer surface of the conductive plug 22 is provided with a sealing annular groove array composed of a sealing annular groove 221 and a spring annular groove array composed of a spring annular groove 222 .
  • the sealing annular groove 221 is located between the spring annular groove 222 and the connecting cavity 21 , and provided with a separable sealing ring 5 therein.
  • the spring annular groove 222 is provided with a separable annular conductive springs 3 therein.
  • the conductive spring 3 is a silver plated spring to provide electrical conductivity.
  • the sealing ring 5 is used to protect the conductive springs 3 .
  • the number of the seal annular groove 221 and the spring annular groove 222 may be arbitrarily increased or decreased to meet requirements for different electrical connection.
  • the connecting bases 4 are located at two sides of the connector 2 .
  • Each of the connecting bases 4 includes a columnar base body 40 .
  • the base body 40 defines a cylindrical base cavity 41 having a space for receiving the inserted conductive plug 22 and contacting the conductive spring on the outer surface of the conductive plug 22 to form electrical connection between the connecting base and the conductive plug 22 .
  • the conductive plugs 22 at both ends of the connector 2 are directly inserted into the base cavity 41 of the corresponding connecting base 4 in use.
  • the outer walls of the conductive spring 3 and the sealing ring 5 abut against an inner wall of the base cavity 41 , thereby providing a reliable electrical and sealing connection for different connecting bases.
  • a cylindrical conductive plug instead of the columnar conductive plug is used in another embodiment.
  • the conductive plug 220 is cylindrical and defines a spring annular groove and a sealing annular groove on an inner wall thereof.
  • the conductive spring and the sealing ring are respectively disposed on the inner wall of the cylindrical conductive plug 220 by the spring annular groove and the sealing annular groove.
  • a connecting base body 400 is provided with a protruding column 401 which is inserted into the conductive plug 220 . At this time, an outer wall of the protruding column 401 abuts against the conductive spring and the sealing ring on the inner wall of the cylindrical conductive plug 220 , such that a good electrical connection is formed between the connecting base and the connector.
  • the electrical connection device of the present disclosure is suitable for installation in a small space, and can be elongated or compressed during installation.
  • the installation is convenient and 360° follow-up, deviation and compression may be realized and after the installation.
  • Electrical connection with good reliability can be achieved without bolts. Since the connecting cavity is woven from copper wires which have soft texture and good electrical conductivity, the electrical connection device is especially suitable for electrical connection between two sockets under severe industrial and mining conditions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
US16/468,359 2016-12-12 2017-12-12 Electrical connection device Active 2038-03-01 US11223174B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201611137605.0A CN108063321B (zh) 2016-12-12 2016-12-12 电连接装置
CN201611137605.0 2016-12-12
PCT/CN2017/115578 WO2018108065A1 (zh) 2016-12-12 2017-12-12 电连接装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/115578 A-371-Of-International WO2018108065A1 (zh) 2016-12-12 2017-12-12 电连接装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/538,265 Continuation US11799256B2 (en) 2016-12-12 2021-11-30 Electrical connection device

Publications (2)

Publication Number Publication Date
US20200259302A1 US20200259302A1 (en) 2020-08-13
US11223174B2 true US11223174B2 (en) 2022-01-11

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US16/468,359 Active 2038-03-01 US11223174B2 (en) 2016-12-12 2017-12-12 Electrical connection device
US17/538,265 Active US11799256B2 (en) 2016-12-12 2021-11-30 Electrical connection device

Family Applications After (1)

Application Number Title Priority Date Filing Date
US17/538,265 Active US11799256B2 (en) 2016-12-12 2021-11-30 Electrical connection device

Country Status (8)

Country Link
US (2) US11223174B2 (zh)
EP (1) EP3553893B1 (zh)
JP (1) JP6856755B2 (zh)
KR (1) KR102297294B1 (zh)
CN (2) CN108063321B (zh)
ES (1) ES2936843T3 (zh)
PL (1) PL3553893T3 (zh)
WO (1) WO2018108065A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220094125A1 (en) * 2016-12-12 2022-03-24 Shanghai Dianba New Energy Technology Co., Ltd. Electrical connection device

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Publication number Priority date Publication date Assignee Title
CN109009332B (zh) * 2018-08-03 2023-12-15 北京安和加利尔科技有限公司 一种导电结构及具有其的超声手术刀
CA3132354A1 (en) * 2019-04-05 2020-10-08 Saint-Augustin Canada Electric Inc. An electrical connector for a bus bar
CN112152000A (zh) * 2019-06-26 2020-12-29 奥动新能源汽车科技有限公司 电连接插头、电连接装置和电动汽车
CN111030034A (zh) * 2020-01-03 2020-04-17 浙江正泰电缆有限公司 电缆中间对接装置
CN116505298B (zh) * 2023-06-28 2024-01-09 深圳市赛鸿安电线电缆有限公司 一种同轴电缆连接结构及使用方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220094125A1 (en) * 2016-12-12 2022-03-24 Shanghai Dianba New Energy Technology Co., Ltd. Electrical connection device
US11799256B2 (en) * 2016-12-12 2023-10-24 Shanghai Dianba New Energy Technology Co., Ltd. Electrical connection device

Also Published As

Publication number Publication date
US20220094125A1 (en) 2022-03-24
KR102297294B1 (ko) 2021-09-03
EP3553893A4 (en) 2020-08-12
US20200259302A1 (en) 2020-08-13
PL3553893T3 (pl) 2023-03-27
CN111725679A (zh) 2020-09-29
CN111725679B (zh) 2021-12-10
US11799256B2 (en) 2023-10-24
JP6856755B2 (ja) 2021-04-14
KR20190092547A (ko) 2019-08-07
WO2018108065A1 (zh) 2018-06-21
CN108063321B (zh) 2020-05-12
EP3553893A1 (en) 2019-10-16
CN108063321A (zh) 2018-05-22
EP3553893B1 (en) 2022-11-16
JP2020513667A (ja) 2020-05-14
ES2936843T3 (es) 2023-03-22

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